DS1858E-050+ Maxim Integrated Products, DS1858E-050+ Datasheet
DS1858E-050+
Specifications of DS1858E-050+
Related parts for DS1858E-050+
DS1858E-050+ Summary of contents
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... Resistor Settings Changeable Every 2°C o Access to Monitoring and ID Information Configurable with Separate Device Addresses Applications o 2-Wire Serial Interface o Two Buffers with TTL/CMOS-Compatible Inputs and Open-Drain Outputs o Operates from a 3. Supply o SFF-8472 Compatible PART DS1858E-050 DS1858E-050 3.3V CC DS1858E-050/T&R DECOUPLING 0.1µF CAP 16 DS1858B-050 CC ...
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Dual Temperature-Controlled Resistors with Three Monitors ABSOLUTE MAXIMUM RATINGS Voltage on V Relative to Ground.......................-0.5V to +6.0V CC Voltage on Inputs Relative to Ground* ................................................-0. Voltage on Resistor Inputs Relative to Ground* ................................................-0. *Not to exceed ...
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ANALOG RESISTOR CHARACTERISTICS (V = 3.0V to 5.5V -40°C to +95°C, unless otherwise noted PARAMETER SYMBOL Position 00h Resistance Position FFh Resistance Absolute Linearity Relative Linearity Temperature Coefficient ANALOG VOLTAGE MONITORING (V = 3.0V to 5.5V, ...
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Dual Temperature-Controlled Resistors with Three Monitors AC ELECTRICAL CHARACTERISTICS (V = 3.0V to 5.5V -40°C to +95°C, unless otherwise noted PARAMETER SYMBOL SCL Clock Frequency Bus Free Time Between STOP and START Condition Hold Time (Repeated) ...
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AC ELECTRICAL CHARACTERISTICS (continued 3.0V to 5.5V -40°C to +95°C, unless otherwise noted Note 10: After this period, the first clock pulse is generated. Note 11: The maximum t only has to be met ...
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Dual Temperature-Controlled Resistors with Three Monitors (V = 5.0V +25°C, unless otherwise noted RESISTOR 0 INL (LSB) 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0 100 125 150 175 ...
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PIN BALL NAME 1 B2 SDA 2-Wire Serial Data I/O Pin. This pin is for serial data transfer to and from the device SCL 2-Wire Serial Clock Input. The serial clock input is used to clock data into ...
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Dual Temperature-Controlled Resistors with Three Monitors AD (AUXILIARY DEVICE ENABLE A0h) DEVICE MD (MAIN DEVICE ENABLE) ADDRESS DEVICE ADDRESS ADEN ADFIX SDA ADDRESS 2-WIRE INTERFACE DATA BUS SCL R/W TxF Tx FAULT OUT1 MINT IN1 INV1 RxL LOS OUT2 INV2 ...
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Table 1. Scales for Monitor Channels +FS +FS SIGNAL SIGNAL (hex) Temperature 127.996°C 7FFF V 6.55V FFFF CC MON1 2.5V FFFF MON2 2.5V FFFF MON3 2.5V FFFF Table 2. Signal Comparison SIGNAL V CC MON1 MON2 MON3 Temperature Each signal ...
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Dual Temperature-Controlled Resistors with Three Monitors Table 4. ADEN Address Configuration ADEN NO. OF SEPARATE (ADDRESS DEVICE ENABLE) ADDRESSES (Main Device only) MAIN DEVICE ENABLE AUXILIARY DEVICE ENABLE DEC 127 128 143 199 ...
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Variable Resistors The value of each variable resistor is determined by a temperature-addressed look-up table, which can assign a unique value (00h to FFh) to each resistor for every 2°C increment over the -40°C to +102°C range (see Table 3). ...
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Dual Temperature-Controlled Resistors with Three Monitors A description of the registers is below. The registers are read only (R) or read/write (R/W). The R/W registers are writable only if write protect has not been asserted (see the Memory Description section). ...
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Main Device (continued) MEMORY EEPROM/ LOCATION R/W SRAM (hex EEPROM R EEPROM R EEPROM — SRAM SRAM SRAM R 66 ...
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Dual Temperature-Controlled Resistors with Three Monitors Main Device (continued) MEMORY EEPROM/ LOCATION R/W SRAM (hex) 6F SRAM — Bit 7 — R/W 6 — R/W 5 — R/W 4 — R/W 3 — — 2 — — 1 — — ...
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Main Device (continued) MEMORY EEPROM/ LOCATION R/W SRAM (hex) 4 — — 3 — — 2 — — 1 — — 0 — — 71 SRAM R Bit 7 — — 6 — — 5 — — 4 — — ...
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Dual Temperature-Controlled Resistors with Three Monitors Table 01h MEMORY EEPROM/ LOCATION R/W SRAM (hex) 80 SRAM R/W Bit 7 — — 6 — — 5 — — 4 — — 3 — — 2 — — 1 — — 0 ...
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Table 01h (continued) MEMORY EEPROM/ LOCATION R/W SRAM (hex) 5 — — 4 — — 3 — — 2 — — 1 — — 0 — — EEPROM — 8C EEPROM R EEPROM — ...
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Dual Temperature-Controlled Resistors with Three Monitors Temperature Conversion The direct-to-digital temperature sensor measures tem- perature through the use of an on-chip temperature measurement technique with an operating range from -40°C to +102°C. Temperature conversions are initiated upon power-up, and the ...
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If the address does not match, this part returns to a low-power mode. After receiving a matching address byte with the R/W bit set low, provided there is no write protect, the device goes into the write mode of ...
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Dual Temperature-Controlled Resistors with Three Monitors slaves. The bus must be controlled by a master device that generates the serial clock (SCL), controls the bus access, and generates the start and stop conditions. The DS1858 operates as a slave on ...
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When read- ing or writing the DS1858, the device-select bits must match one of two valid device addresses, 00h or the address registered in Table 01 location 8Ch. The last bit of ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 22 © 2003 Maxim Integrated Products ...